Chlorine is a chemical element that is a yellow-green gas at room temperature. The element is part of group 17 in the periodic table – the halogens – which accounts for many of its chemical properties, including its high reactivity.

An enzyme assay is the name given to any laboratory technique that measures enzyme activity within a sample.
Enzyme assays can be used for a variety of purposes, which include identifying the presence of an enzyme, investigation of specific enzyme kinetics or the activity of inhibition within a sample.

With plenty of applications for Spirulina, the commercialisation of spirulina is big business. But ensuring that maximum profits are generated, understanding how spirulina grows and when to harvest is an important aspect.

OD600 is an abbreviation of two parts; ‘OD’ is short for ‘optical density’, whilst ‘600’ is in reference to the 600 nm wavelength used to measure said optical density.